Acute dissecting thoracic aortic aneurysm presenting with stroke, consumptive coagulopathy, and gastrointestinal hemorrhage.

We report the case of a 70-year-old man who had an acute dissection of a previously undiagnosed thoracic aortic aneurysm. The diagnosis was challenging because of the neurologic and hematologic complications that overwhelmed the clinical presentation. Three simultaneous complications of thoracic aortic aneurysm with dissection (ischemic stroke, consumption coagulopathy, and superior mesenteric infarction with gastrointestinal hemorrhage) made the case unique and the diagnosis difficult.